CN115195045A

CN115195045A - Resin lens injection mold with uniform cooling

Info

Publication number: CN115195045A
Application number: CN202210947580.XA
Authority: CN
Inventors: 南基学
Original assignee: Yejia Optical Technology Guangdong Corp
Current assignee: Yejia Optical Technology Guangdong Corp
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-10-18

Abstract

The invention relates to the technical field of resin lens production, in particular to a resin lens injection mold with uniform cooling. It is through filling the coolant liquid in the water tank, drives the upper die base downstream through first linear actuator, carries out one section and pushes down the process and accomplish injection moulding through upper die base and die holder, later is that first linear actuator carries out two sections and pushes down, and at this moment, upper die base and die holder can continue downwards to make the inside coolant liquid of water tank receive the extrusion and upwards stretch, and then make upper die base and die holder and the injection molding between the two cool off fast.

Description

Resin lens injection mold with uniform cooling

Technical Field

The invention relates to the technical field of resin lens production, in particular to a resin lens injection mold with uniform cooling.

Background

The resin lens is made of organic material, and has inside polymer chain structure connected to form stereo netted structure, relaxed molecular structure and space for relative displacement. The light transmittance is 84% -90%, the light transmittance is good, and the impact resistance of the optical resin lens is strong.

The existing resin lens injection mold, such as patent No. CN202210406499.0 and the disclosed resin lens injection mold capable of improving the cooling uniformity, realizes the function of uniformly cooling the resin lens injection mold through a fixed mold, a movable mold and a cooling chamber, but the cooling chamber is cooled by blowing air through a fan, the cooling speed is slow in the cooling mode, and the speed in the production process of the injection lens is greatly reduced.

Disclosure of Invention

Aiming at the problems in the prior art, the resin lens injection mold with uniform cooling is provided, the cooling speed is accelerated through the upper mold base, the lower mold base, the first linear driver and the cooling assembly, and the technical problem of accelerating the production speed of the injection molding lens is solved.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

a resin lens injection mold with uniform cooling comprises an upper mold base, a lower mold base and a first linear driver, wherein an injection molding pipe is arranged on the upper mold base, the first linear driver is connected with the upper mold base, and the direction of the first linear driver is vertical downwards; a cooling assembly is arranged right below the lower die holder, the cooling assembly comprises a water tank, a backup plate and a heating plate, the water tank is arranged below the lower die holder, a fixing plate is arranged inside the water tank, a plurality of first openings which are uniformly distributed are formed in the fixing plate, and a plurality of first threaded holes which are uniformly distributed are also formed in the bottom end of the water tank; the abutting plate is arranged in the water tank and is positioned right above the fixed plate, a first through hole is formed in the abutting plate, a plurality of elastic pieces which are uniformly distributed are arranged between the abutting plate and the abutting plate, two ends of each elastic piece are respectively connected with the top end of the fixed plate and the bottom end of the abutting plate, the abutting plate is in sliding connection with the water tank, and the abutting plate is connected with the bottom end of the lower die holder; the hot plate sets up in the water tank bottom, is provided with the second screw hole the same and one-to-one with first screw thread internal control quantity on the hot plate.

Preferably, a plurality of first slots which are uniformly distributed are arranged on the upper die base and the lower die base, a first heat dissipation bottom plate is arranged on one side of the upper die base, a second heat dissipation bottom plate is arranged on one side of the lower die base, the first heat dissipation bottom plate and the second heat dissipation bottom plate are both in hollow-out arrangement, a plurality of heat dissipation fins which are in clearance fit with the first pins are arranged on the first heat dissipation bottom plate and the second heat dissipation bottom plate, gaps are reserved between every two heat dissipation fins, and a plurality of heat dissipation holes which are uniformly distributed are arranged on the heat dissipation fins in a penetrating mode.

Preferably, a plurality of liquid guide ports which are uniformly distributed are formed in the upper die base and the lower die base, first liquid conveying pipelines extending downwards are arranged on the first heat dissipation bottom plate, the number of the first liquid conveying pipelines is the same as that of the liquid guide ports, the first liquid conveying pipelines are in one-to-one correspondence with the liquid guide ports, the first liquid conveying pipelines are in sliding connection with the liquid guide ports, guide grooves which are the same as that of the first liquid conveying pipelines and are in one-to-one correspondence with the second heat dissipation bottom plate are formed in the second heat dissipation bottom plate, and the guide grooves are in sliding connection with the first liquid conveying pipelines.

Preferably, the top on the upper die base is set to be triangular, second slots corresponding to the second pins are arranged on the upper die base and the lower die base, a plurality of second pins which are distributed are arranged on the first heat dissipation bottom plate and the second heat dissipation bottom plate, each second pin is in clearance fit with the second slot, and a gap is reserved between every two second pins.

Preferably, still be provided with a guide bracket on the water tank, be provided with a plurality of evenly distributed's guide bar on the guide bracket, still be provided with the push pedal on the guide bracket, the push pedal is connected with first linear actuator, push pedal and a plurality of guide bar sliding connection are provided with a plurality of downwardly extending's push rod on the push pedal, and the push rod is connected with the upper die base.

Preferably, the top end of the water tank is provided with a second opening, the bottom end of the guide support is further provided with a fixing base clamped with the second opening, the fixing base is in clearance fit with the upper die base and the lower die base and is in sliding connection with the upper die base and the lower die base, a plurality of second through holes communicated with the inside of the water tank are formed in the fixing base, and a plurality of ramps inclined towards the second through holes are further formed in the fixing base.

Preferably, the backup plate is provided with a plurality of guide pillars which are uniformly distributed, the bottom ends of the guide pillars are located below the fixed plate, the bottom ends of the guide pillars are provided with caps, the elastic pieces are sleeved on the guide pillars, the fixed plate is provided with guide sleeves which correspond to the guide pillars in the same number one by one, and the cross street area of each guide sleeve is smaller than the area of each cap.

Preferably, still be provided with a joint board on the first opening, the middle part is provided with a downwardly extending's first puddler on the joint board, is provided with first puddler on the first puddler, is provided with a plurality of evenly distributed's first stirring vane on the first puddler, and the puddler top is provided with a first motor of being connected with the puddler, supports to all be provided with a recess by board and die holder bottom to be located first motor directly over.

Preferably, still be provided with a plurality of evenly distributed's second puddler on the joint board, the setting that the second puddler encircles is around first puddler, and the second puddler is provided with second stirring vane, and second stirring vane sets up with first stirring vane is crisscross, and second puddler top still is provided with the drive mechanism who is connected with first puddler.

Preferably, the transmission mechanism comprises a first straight gear, a second straight gear, a clamping block and a toothed chain, the first straight gear is arranged at the top end of the first stirring rod, and the first straight gear is connected with the first motor; the number of the second straight gears is the same as that of the second stirring rods, and the second straight gears correspond to the second stirring rods one by one; the clamping block is arranged on one side of the first straight gear; it is connected with first straight-teeth gear and second straight-teeth gear respectively to the toothed chain, and the toothed chain supports with the joint piece and leans on.

This application compares in prior art's beneficial effect and is:

1. this application is through filling the coolant liquid in the water tank, drives the upper die base through first linear actuator and moves down, carries out one section and pushes down the process and accomplish injection moulding through upper die base and die holder, later is that first linear actuator carries out two sections and pushes down, this moment, upper die base and die holder can continue downwards to make the inside coolant liquid of water tank receive the extrusion and upwards stretch, and then make upper die base and die holder and the injection molding between the two cool off fast.

2. This application increases thermal conduction effect through the fin, passes to the inside coolant liquid of feed tank with the heat through the fin, later further strengthens passing to the effect through the louvre on the fin.

3. This application is through setting up the upper die base top into triangle-shaped for the coolant liquid can with the cooperation of first heat dissipation base, if rise as the upper die base this moment, then the coolant liquid can be for gravity along upper die base top surface landing downwards, the space between per two last second bolts is discharged, prevents that its inside from leaving a large amount of coolant liquids influence the effect of moulding plastics.

4. This application rotates through first motor puddler, makes the coolant liquid evenly distributed that the water tank bottom was heated by the hot plate to make the inside coolant liquid temperature of water tank balanced, prevent that the injection molding from being heated inhomogeneous phenomenon that leads to damaging.

Drawings

FIG. 1 is a perspective view of the present application;

FIG. 2 is a front view of the present application;

FIG. 3 isbase:Sub>A cross-sectional view of the first stirring rod and the first stirring blade hidden at the section A-A of FIG. 2;

fig. 4 is a partial enlarged view at B of fig. 3;

fig. 5 is an exploded perspective view of the hidden guide bracket, the upper die base, and the first heat sink base of the present application;

fig. 6 is a partial enlarged view at C of fig. 5;

FIG. 7 is a perspective view of the lower die holder, second heat sink base, bayonet plate, first agitator bar and second agitator bar of the present application;

fig. 8 is a partial enlarged view at D of fig. 7;

FIG. 9 is an exploded perspective view of the upper die base, lower die base, first heat sink base, and second heat sink base of the present application;

fig. 10 is a partial enlarged view at E of fig. 9;

fig. 11 is a partial enlarged view at F of fig. 9;

fig. 12 is a partial enlarged view at G of fig. 9;

the reference numbers in the figures are:

1-an upper die holder; 11-a first slot; 12-a first heat sink base plate; 121-a first infusion line; 13-a liquid guide port;

2-a lower die holder; 21-a second heat sink base plate; 211-a heat sink; 212-heat dissipation holes; 213-a guide groove; 214-a second latch; 22-a second slot;

3-a water tank; 31-a fixing plate; 311-a first opening; 312-a guide sleeve; 32-a guide bracket; 321-a guide rod; 322-push plate; 323-push rod; 324-a stationary base; 325 — a second via; 326-ramp; 33-a second opening; 34-a snap plate; 341-first stirring rod; 342-a first stirring blade; 343-a first motor; 344-second stirring rod; 345-a second stirring blade; 35-a transmission mechanism; 351-a first straight gear; 352-a second spur gear; 353, a clamping block; 354-toothed chain;

4-a backup plate; 41-a first through hole; 42-an elastic member; 43-guide posts; 44-a groove;

5-heating the plate.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 12, the resin lens injection mold with uniform cooling comprises an upper mold base 1, a lower mold base 2 and a first linear driver, wherein an injection molding pipe is arranged on the upper mold base 1, the first linear driver is connected with the upper mold base 1, and the first linear driver is vertically downward; a cooling component is arranged right below the lower die holder 2, and comprises a water tank 3, a supporting plate 4 and a heating plate 5;

the water tank 3 is arranged below the lower die holder 2, a fixing plate 31 is arranged in the water tank 3, a plurality of first openings 311 which are uniformly distributed are formed in the fixing plate 31, and a plurality of first threaded holes which are uniformly distributed are further formed in the bottom end of the water tank 3;

the abutting plate 4 is arranged inside the water tank 3, the abutting plate 4 is positioned right above the fixed plate 31, a first through hole 41 is formed in the abutting plate 4, a plurality of elastic pieces 42 which are uniformly distributed are arranged between the abutting plate 4 and the abutting plate 4, two ends of each elastic piece 42 are respectively connected with the top end of the fixed plate 31 and the bottom end of the abutting plate 4, the abutting plate 4 is connected with the water tank 3 in a sliding mode, and the abutting plate 4 is connected with the bottom end of the lower die holder 2;

the heating plate 5 is arranged at the bottom end of the water tank 3, and second threaded holes which are the same as the first threaded holes in the inner control quantity and correspond to the first threaded holes one to one are formed in the heating plate 5.

Fill coolant liquid at first in water tank 3, drive upper die base 1 downstream through first linear actuator, carry out one section process of pushing down, make upper die base 1 laminate with die holder 2 and form a plurality of die cavitys, accomplish the injection moulding process of a plurality of lenses through the injection molding pipe, then first linear actuator carries out two sections and pushes down, can drive the elasticity of backing plate 4 overcoming elastic component 42 at this time, thereby make upper die base 1 and die holder 2 continue downwards, thereby make the inside coolant liquid of water tank 3 receive the extrusion and upwards stretch, and then make upper die base 1 and die holder 2 and the injection molding between the two carry out rapid cooling, hot plate 5 is for regulating and control its inside temperature, prevent that the coolant liquid temperature is low, lead to the lens to damage, then first screw hole and second screw hole are convenient for install hot plate 5, first through-hole 41 and first opening 311 are convenient for the coolant liquid circulation, it is provided with two mouths on water tank 3 to explain, water tank 3 is inside still to be provided with temperature sensor and controller, controller and temperature sensor and hot plate 5 connect, thereby detect the inside temperature sensor of water tank 3, thereby the control is through the inside cooling water receiving temperature drawing.

Referring to fig. 7 to 9, a plurality of first slots 11 are uniformly distributed on the upper die holder 1 and the lower die holder 2, a first heat dissipation bottom plate 12 is arranged on one side of the upper die holder 1, a second heat dissipation bottom plate 21 is arranged on one side of the lower die holder 2, the first heat dissipation bottom plate 12 and the second heat dissipation bottom plate 21 are both hollow, a plurality of heat dissipation fins 211 which are in clearance fit with the first pins are arranged on the first heat dissipation bottom plate 12 and the second heat dissipation bottom plate 21, a gap is reserved between every two heat dissipation fins 211, and a plurality of heat dissipation holes 212 are uniformly distributed in the heat dissipation fins 211 in a penetrating manner.

Upper die base 1 and die holder 2 are through setting up first slot 11, be convenient for be connected with the fin 211 on first radiating bottom plate 12 and the second radiating bottom plate 21, first radiating bottom plate 12 is convenient for be connected with first linear actuator simultaneously, second radiating bottom plate 21 is convenient for and supports to laminate by board 4, thereby increase thermal conduction effect through fin 211, pass to the inside coolant liquid of water-feeding tank 3 with the heat through fin 211, later further strengthen passing to the effect through fin 212 on fin 211, it also is convenient for to contact with the coolant liquid all to leave the space between per two fin 211.

Referring to fig. 10 to 12, the upper die holder 1 and the lower die holder 2 are both provided with a plurality of uniformly distributed liquid guiding ports 13, the first heat dissipation bottom plate 12 is provided with first liquid conveying pipes 121 extending downwards, the number of the first liquid conveying pipes 121 is the same as that of the liquid guiding ports 13, the first liquid conveying pipes 121 are in one-to-one correspondence with the liquid guiding ports 13, the second heat dissipation bottom plate 21 is provided with guide grooves 213, the number of the guide grooves is the same as that of the first liquid conveying pipes 121, the guide grooves 213 are in one-to-one correspondence with the first liquid conveying pipes 121, and the guide grooves 213 are in sliding connection with the first liquid conveying pipes 121.

The first heat dissipation bottom plate 12 passes through the liquid guide port 13 through the first liquid conveying pipe 121 arranged on the first heat dissipation bottom plate and refers to the guide groove 213, so that when the first heat dissipation bottom plate 12 moves downwards together with the upper die holder 1, the first heat dissipation bottom plate 12 can contact with the water surface through the first liquid conveying pipe 121 and convey liquid, so that the lower die holder 2 contacts with the cooling liquid, the cooling liquid also moves upwards from the first liquid conveying pipe to cool the upper die holder 1, so that the upper die holder 1 and the lower die holder 2 cool simultaneously, and each part of the lens is cooled uniformly.

Referring to fig. 7 and 8, the top end of the upper die holder 1 is triangular, the upper die holder 1 and the lower die holder 2 are provided with second slots 22 corresponding to the second pins 214, the first heat dissipation bottom plate 12 and the second heat dissipation bottom plate 21 are provided with a plurality of second pins 214 which are distributed, each second pin 214 is in clearance fit with the second slot 22, and a gap is left between every two second pins 214.

First heat dissipation bottom plate 12 or second heat dissipation bottom plate 21 are through inside inserting second bolt 214 into second slot 22, thereby be convenient for first heat dissipation bottom plate 12 is connected with upper die base 1, perhaps be convenient for die holder 2 is connected with second heat dissipation bottom plate 21, it is convenient for transmit to strengthen the connection effect, later through setting up 1 top of upper die base into the triangle-shaped form, make the coolant liquid can be in cooperation with first heat dissipation base, if at this moment, if work as upper die base 1 and rise, then the coolant liquid can be along with 1 top surface landing downwards of upper die base for gravity, space between per two last second bolts 214 is discharged, prevent that its inside from leaving a large amount of coolant liquid and influencing the effect of moulding plastics.

Referring to fig. 1 to 3, the water tank 3 is further provided with a guide bracket 32, the guide bracket 32 is provided with a plurality of guide rods 321 which are uniformly distributed, the guide bracket 32 is further provided with a push plate 322, the push plate 322 is connected with the first linear driver, the push plate 322 is slidably connected with the plurality of guide rods 321, the push plate 322 is provided with a plurality of push rods 323 which extend downwards, and the push rods 323 are connected with the upper die holder 1.

It drives push pedal 322 through first linear drive of upper die base 1 and moves for push rod 323 on the push pedal 322 promotes upper die base 1 and moves downwards, thereby makes it through the one end distance of interval between push rod 323 and the first heat dissipation base, and the fin 211 of being convenient for dispels the heat, and push pedal 322 makes it orderly reciprocate through guide bar 321 simultaneously, and it is connected with the top of first heat dissipation base to explain push rod 323.

Referring to fig. 3 and 4, the top end of the water tank 3 is provided with a second opening 33, the bottom end of the guide bracket 32 is further provided with a fixing base 324 clamped with the second opening 33, the fixing base 324 is in clearance fit with the upper die base 1 and the lower die base 2 and is in sliding connection with the upper die base 1 and the lower die base 2, the fixing base 324 is provided with a plurality of second through holes 325 communicated with the inside of the water tank 3, and the fixing base 324 is further provided with a plurality of ramps 326 inclined towards the second through holes 325.

The water tank 3 is convenient for the upper die holder 1 and the lower die holder 2 to enter the water tank 3 through the second opening 33, and then the upper die holder 1 and the lower die holder 2 are matched through the fixing base 324 and the abutting plate 4, so that the position of the radiating fin 211 of the upper die holder 1 in the injection molding process is higher than the top end of the fixing base 324, and the upper die holder is convenient to press down at two stages for cooling, in the resetting process, the radiating fin 211 on the first radiating base can pass through the top end of the upper die holder 1 which is set to be in a triangular shape, so that the cooling liquid flows out from two second slots 22, at the moment, the flowing cooling liquid drops downwards onto the ramp 326 under the action of gravity, and passes through the ramp 326 to be transmitted downwards onto the second through hole 325, and then the cooling liquid returns to the inside of the water tank 3 through the second through hole 325, and the waste of the cooling liquid is reduced.

Referring to fig. 5, the abutting plate 4 is provided with a plurality of guide posts 43 which are uniformly distributed, the bottom ends of the guide posts 43 are located below the fixing plate 31, the bottom ends of the guide posts 43 are provided with caps, the elastic members 42 are sleeved on the guide posts 43, the fixing plate 31 is provided with guide sleeves 312 which are the same in number as the guide posts 43 and are in one-to-one correspondence, and the cross street area of the guide sleeves 312 is smaller than the area of the caps.

Support the backup plate 4 and wear to establish on guide pin bushing 312 through the guide pillar 43 that sets up on it, be convenient for support backup plate 4 and carry out orderly removal, later the elastic component 42 cover is established on guide pillar 43, then support by guide pillar 43 in order to prevent elastic component 42 in compression process and support, prevent that elastic component 42 from taking place the slope, lead to reducing the life of elastic component 42, the cross street area of guide pin bushing 312 is less than the area of block, then be convenient for support through guide pin bushing 312 and support and lean on board 4 and support, prevent to support backup plate 4 and upwards release by the elasticity of elastic component 42, influence the removal effect.

Referring to fig. 5 to 7, a clamping plate 34 is further disposed on the first opening 311, a first stirring rod 341 extending downward is disposed at a middle portion of the clamping plate 34, the first stirring rod 341 is disposed on the first stirring rod 341, a plurality of first stirring blades 342 are uniformly distributed on the first stirring rod 341, a first motor 343 connected to the stirring rod is disposed at a top end of the stirring rod, and a groove 44 is disposed right above the first motor 343, at the bottom end of the abutting plate 4 and the bottom end of the lower die holder 2.

At first through the recess 44 that is located directly over first motor 343, be convenient for support board 4 and die holder 2 can not support with first motor 343 to support at two-stage push down the in-process, prevent that first motor 343 from receiving the extrusion and leading to the damage, later rotate through first motor 343 puddler, make 3 bottoms of water tank by the coolant liquid evenly distributed of hot plate 5 heating, thereby make the inside coolant liquid temperature of water tank 3 balanced, prevent that the injection molding part from being heated inhomogeneous and leading to the phenomenon of damage, it is this function and controller and temperature sensor cooperate to explain.

Referring to fig. 6 and 7, a plurality of second stirring rods 344 are uniformly distributed on the clamping plate 34, the second stirring rods 344 are circumferentially arranged around the first stirring rod 341, the second stirring rods 344 are provided with second stirring blades 345, the second stirring blades 345 are staggered with the first stirring blades 342, and the top end of the second stirring rod 344 is further provided with a transmission mechanism 35 connected with the first stirring rod 341.

The second stirring rod 344 is driven by the first motor 343 to stir by the transmission structure arranged at the bottom end of the first stirring rod 341, and the second stirring rod 344 also can stir, because the second stirring blades 345 and the first stirring blades 342 on the second stirring rod 344 are arranged in a staggered manner, the second stirring rod and the first stirring blades can be matched, the stirring effect is further enhanced, and the temperature inside the water tank 3 is kept in a uniform state.

Referring to fig. 6 and 7, the transmission mechanism 35 includes a first spur gear 351, a second spur gear 352, a snap-in block 353 and a toothed chain 354,

the first straight gear 351 is arranged at the top end of the first stirring rod 341, and the first straight gear 351 is connected with the first motor 343;

the second spur gears 352 are the same in number and correspond to the second stirring rods 344 one by one, and the second spur gears 352 are disposed on the corresponding second stirring rods 344;

the clamping block 353 is arranged on one side of the first straight gear 351;

the toothed chain 354 is connected to the first spur gear 351 and the second spur gear 352, respectively, and the toothed chain 354 abuts against the engagement block 353.

First through being connected between first straight-tooth gear 351, second straight-tooth gear 352, the toothed chain 354 three to strengthen the transmission effect, make first puddler 341 and a plurality of second puddler 344 can work together, joint piece 353 sets up in first straight-tooth gear 351 one side and with the laminating of toothed chain 354, then be in order to prevent that the interval is too big between second straight-tooth gear 352 and the first straight-tooth gear 351, thereby support through joint piece 353 and lean on toothed chain 354, be convenient for toothed chain 354 and first straight-tooth gear 351 be connected, and strengthen the transmission effect.

The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A resin lens injection mold with uniform cooling comprises an upper mold base (1), a lower mold base (2) and a first linear driver, wherein an injection molding pipe is arranged on the upper mold base (1), the first linear driver is connected with the upper mold base (1), and the direction of the first linear driver is vertical downwards; the cooling device is characterized in that a cooling component is arranged right below the lower die holder (2), and the cooling component comprises a water tank (3), a backup plate (4) and a heating plate (5);

the water tank (3) is arranged below the lower die holder (2), a fixing plate (31) is arranged in the water tank (3), a plurality of first openings (311) which are uniformly distributed are formed in the fixing plate (31), and a plurality of first threaded holes which are uniformly distributed are further formed in the bottom end of the water tank (3);

the supporting plate (4) is arranged inside the water tank (3), the supporting plate (4) is located right above the fixing plate (31), a first through hole (41) is formed in the supporting plate (4), a plurality of elastic pieces (42) which are uniformly distributed are arranged between the supporting plate (4) and the supporting plate, two ends of each elastic piece (42) are respectively connected with the top end of the fixing plate (31) and the bottom end of the supporting plate (4), the supporting plate (4) is in sliding connection with the water tank (3), and the supporting plate (4) is connected with the bottom end of the lower die holder (2);

heating plate (5) set up in water tank (3) bottom, are provided with the second screw hole that the same and one-to-one of accuse quantity is the same with first screw in heating plate (5).

2. The resin lens injection mold with uniform cooling function as claimed in claim 1, wherein a plurality of first slots (11) are uniformly distributed on the upper mold base (1) and the lower mold base (2), a first heat dissipation bottom plate (12) is arranged on one side of the upper mold base (1), a second heat dissipation bottom plate (21) is arranged on one side of the lower mold base (2), the first heat dissipation bottom plate (12) and the second heat dissipation bottom plate (21) are both hollow, a plurality of heat dissipation fins (211) in clearance fit with the first pins are arranged on the first heat dissipation bottom plate (12) and the second heat dissipation bottom plate (21), a gap is reserved between every two heat dissipation fins (211), and a plurality of heat dissipation holes (212) are uniformly distributed in the heat dissipation fins (211).

3. The resin lens injection mold with uniform cooling function as claimed in claim 2, wherein the upper mold base (1) and the lower mold base (2) are respectively provided with a plurality of uniformly distributed liquid guide ports (13), the first heat dissipation bottom plate (12) is provided with first liquid conveying pipelines (121) extending downwards, the number of the first liquid conveying pipelines (121) is the same as that of the liquid guide ports (13) and corresponds to that of the liquid guide ports one to one, the first liquid conveying pipelines (121) are slidably connected with the liquid guide ports (13), the second heat dissipation bottom plate (21) is provided with guide grooves (213) which are the same as that of the first liquid conveying pipelines (121) and correspond to one, and the guide grooves (213) are slidably connected with the first liquid conveying pipelines (121).

4. The resin lens injection mold with uniform cooling is characterized in that the top end of the upper mold base (1) is triangular, the upper mold base (1) and the lower mold base (2) are provided with second slots (22) corresponding to the second pins (214), the first heat dissipation bottom plate (12) and the second heat dissipation bottom plate (21) are provided with a plurality of distributed second pins (214), each second pin (214) is in clearance fit with the corresponding second slot (22), and a gap is reserved between every two second pins (214).

5. The resin lens injection mold with uniform cooling as claimed in claim 1, wherein the water tank (3) is further provided with a guide support (32), the guide support (32) is provided with a plurality of guide rods (321) which are uniformly distributed, the guide support (32) is further provided with a push plate (322), the push plate (322) is connected with the first linear driver, the push plate (322) is slidably connected with the plurality of guide rods (321), the push plate (322) is provided with a plurality of push rods (323) which extend downwards, and the push rods (323) are connected with the upper mold base (1).

6. The resin lens injection mold with uniform cooling as claimed in claim 5, wherein a second opening (33) is provided at the top end of the water tank (3), a fixing base (324) clamped with the second opening (33) is further provided at the bottom end of the guide bracket (32), the fixing base (324) is in clearance fit with the upper die base (1) and the lower die base (2) and is in sliding connection with the upper die base (1), a plurality of second through holes (325) communicated with the interior of the water tank (3) are provided on the fixing base (324), and a plurality of ramps (326) inclined towards the second through holes (325) are further provided on the fixing base (324).

7. The resin lens injection mold with uniform cooling according to claim 1, wherein a plurality of guide pillars (43) are uniformly distributed on the backup plate (4), the bottom ends of the guide pillars (43) are located below the fixing plate (31), the bottom ends of the guide pillars (43) are provided with caps, the elastic members (42) are sleeved on the guide pillars (43), the fixing plate (31) is provided with guide sleeves (312) which are the same in number and correspond to the guide pillars (43), and the cross-sectional area of the guide sleeves (312) is smaller than the area of the caps.

8. The resin lens injection mold with uniform cooling function as claimed in claim 1, wherein a clamping plate (34) is further arranged on the first opening (311), a first stirring rod (341) extending downwards is arranged in the middle of the clamping plate (34), the first stirring rod (341) is arranged on the first stirring rod (341), a plurality of first stirring blades (342) distributed uniformly are arranged on the first stirring rod (341), a first motor (343) connected with the stirring rod is arranged at the top end of the stirring rod, and a groove (44) is formed in each of the abutting plate (4) and the bottom end of the lower die holder (2) and located right above the first motor (343).

9. The resin lens injection mold with uniform cooling function as claimed in claim 8, wherein a plurality of second stirring rods (344) are uniformly distributed on the clamping plate (34), the second stirring rods (344) are circumferentially arranged around the first stirring rod (341), the second stirring rods (344) are provided with second stirring blades (345), the second stirring blades (345) are staggered with the first stirring blades (342), and the top ends of the second stirring rods (344) are further provided with transmission mechanisms (35) connected with the first stirring rods (341).

10. The resin lens injection mold with uniform cooling as claimed in claim 9, wherein the transmission mechanism (35) comprises a first spur gear (351), a second spur gear (352), a snap block (353) and a toothed chain (354),

the first straight gear (351) is arranged at the top end of the first stirring rod (341), and the first straight gear (351) is connected with the first motor (343);

the second straight gears (352) are the same in number as the second stirring rods (344) and correspond to the second stirring rods one to one, and the second straight gears (352) are arranged on the corresponding second stirring rods (344);

the clamping block (353) is arranged on one side of the first straight gear (351);

the gear chain (354) is connected with the first straight gear (351) and the second straight gear (352) respectively, and the gear chain (354) abuts against the clamping block (353).